[fdb] 'show mac' command failed with t0-56-po2vlan topology #1866
Assignees
Comments
4 tasks
This was referenced Nov 10, 2021
liat-grozovik
pushed a commit
that referenced
this issue
Nov 17, 2021
The race condition is caused by a blocking Redis call which gets the contents of the FDB entry from ASIC DB. Since it has been implemented as a simple loop, there is no guarantee that entry will be present in DB when the contents are being read. Closes #1866 - What I did Fixed: [fdb] 'show mac' command failed with t0-56-po2vlan topology #1866 - How I did it Removed blocking calls from fdbshow - How to verify it Run FDB test - Previous command output (if the output of a command-line utility has changed) root@sonic:/home/admin# show mac Key 'ASIC_STATE:SAI_OBJECT_TYPE_FDB_ENTRY:{"bvid":"oid:0x260000000009cc","mac":"02:11:22:33:20:00","switch_id":"oid:0x21000000000000"}' unavailable in database '1' - New command output (if the output of a command-line utility has changed) root@sonic:/home/admin# show mac No. Vlan MacAddress Port Type ----- ------ ------------ ------ ------ Total number of entries 0
liat-grozovik
pushed a commit
that referenced
this issue
Nov 17, 2021
The race condition is caused by a blocking Redis call which gets the contents of the FDB entry from ASIC DB. Since it has been implemented as a simple loop, there is no guarantee that entry will be present in DB when the contents are being read. - What I did Fixed: [fdb] 'show mac' command failed with t0-56-po2vlan topology #1866 - How I did it Removed blocking calls from fdbshow - How to verify it Run FDB test - Previous command output (if the output of a command-line utility has changed) root@sonic:/home/admin# show mac Key 'ASIC_STATE:SAI_OBJECT_TYPE_FDB_ENTRY:{"bvid":"oid:0x260000000009cc","mac":"02:11:22:33:20:00","switch_id":"oid:0x21000000000000"}' unavailable in database '1' - New command output (if the output of a command-line utility has changed) root@sonic:/home/admin# show mac No. Vlan MacAddress Port Type ----- ------ ------------ ------ ------ Total number of entries 0 Signed-off-by: Nazarii Hnydyn <nazariig@nvidia.com>
arlakshm
pushed a commit
that referenced
this issue
Nov 18, 2021
The race condition is caused by a blocking Redis call which gets the contents of the FDB entry from ASIC DB. Since it has been implemented as a simple loop, there is no guarantee that entry will be present in DB when the contents are being read. - What I did Fixed: [fdb] 'show mac' command failed with t0-56-po2vlan topology #1866 - How I did it Removed blocking calls from fdbshow - How to verify it Run FDB test - Previous command output (if the output of a command-line utility has changed) root@sonic:/home/admin# show mac Key 'ASIC_STATE:SAI_OBJECT_TYPE_FDB_ENTRY:{"bvid":"oid:0x260000000009cc","mac":"02:11:22:33:20:00","switch_id":"oid:0x21000000000000"}' unavailable in database '1' - New command output (if the output of a command-line utility has changed) root@sonic:/home/admin# show mac No. Vlan MacAddress Port Type ----- ------ ------------ ------ ------ Total number of entries 0 Signed-off-by: Nazarii Hnydyn <nazariig@nvidia.com>
qiluo-msft
pushed a commit
that referenced
this issue
Nov 20, 2021
The race condition is caused by a blocking Redis call which gets the contents of the FDB entry from ASIC DB. Since it has been implemented as a simple loop, there is no guarantee that entry will be present in DB when the contents are being read. - What I did Fixed: [fdb] 'show mac' command failed with t0-56-po2vlan topology #1866 - How I did it Removed blocking calls from fdbshow - How to verify it Run FDB test - Previous command output (if the output of a command-line utility has changed) root@sonic:/home/admin# show mac Key 'ASIC_STATE:SAI_OBJECT_TYPE_FDB_ENTRY:{"bvid":"oid:0x260000000009cc","mac":"02:11:22:33:20:00","switch_id":"oid:0x21000000000000"}' unavailable in database '1' - New command output (if the output of a command-line utility has changed) root@sonic:/home/admin# show mac No. Vlan MacAddress Port Type ----- ------ ------------ ------ ------ Total number of entries 0 Signed-off-by: Nazarii Hnydyn <nazariig@nvidia.com>
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
Description
Sometimes 'show mac' command failed, and error message is:
Key 'ASIC_STATE:SAI_OBJECT_TYPE_FDB_ENTRY:{"bvid":"oid:0x26000000000a20","mac":"02:11:22:33:16:00","switch_id":"oid:0x21000000000000"}' unavailable in database '1'
Steps to reproduce the issue
Describe the results you received
'show mac' command sometimes failed.
Describe the results you expected
'show mac' command can work properly.
Additional information you deem important (e.g. issue happens only occasionally)
show_mac.log
Output of
show versionThe text was updated successfully, but these errors were encountered: